born

Knowing how powerful Deus was after the first battle in the realm, the guardian created a staff sword called the STAFF NIGHTMARE. A weapon of second death that can kill the soul, a powerful weapon that transcend from a sword to a spear lightning and thunder created from the particles of the guardian seven philosopher stones able to destroy a demon king.

The sky king made a contract with the guardians and fought with Deus however the nightmare was too powerful for a mortal King

After a brute battle between humans and Deus zombie armies. Deus lost and most of his men escape. the guardians decide to seal the demon king Deus. The guardian and the sky king made an oath while leaving the nightmare staff with the skyking as a memorial.

The guardian made three oaths with the sky king that must not be broken,

1: No guardian must invade the realm of men

2: No human must invade the realms

3: No guardian must invade each other's realm

The guardians departed not knowing that the seal yet to be